In the diagram below, one vertex of the square is the center of the circle and two vertices of the square are on the circle's circumference. What is the area of the shaded region?

What is the approximate circumference of the circle shown below?

Ethan is proving that the slope between any two points on a straight line is the same. he has already proved that triangles 1 and 2 are similar. drag statements and reasons to complete the proof.

Factor the following expression completely 6x^11-24x^7